Beef Cattle Mythbusters Will sophisticated reproductive technologies solve my cows’ reproductive problems? Myth: Beef grading and inspection are the same thing. Is it true that very low quality forages are only fillers in beef cow diets? Myth: Cheatgrass (Downy Brome) provides equal nutrition throughout the grazing season compared to native and improved bunchgrasses. When you request forage quality analysis from a laboratory, do all methods of analysis result in the same results? Do all methods of calculating TDN give useful results?